PS

Peter Simeonov

US US Dept of Health & Human Services: 1 patents #81 of 204Top 40%
Overall (All Time): #3,205,148 of 4,157,543Top 80%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
8167087 Multimodal indicator safety device for ladder positioning Hongwei Hsiao, John Powers 2012-05-01